MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

Connect your agent

7961 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
io.github.CalBearKen/ls-search

Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.

Developer ToolsAI / LLM tooling

UnreachableNot measured5 / 22
io.github.carrasquelalex1/webscrape-mcp

Fetch any URL and get clean Markdown. Web scraping for AI agents.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.dacode-dev/agent-context-api

Agent-work MCP: free context preflight and page-read previews, paid x402 HTTP upgrades.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
io.github.dimabalony/whentofly

whentofly: flexible-date economy/business flight search + price-level context for AI agents

TravelCode & DevOps

UnreachableNot measured5 / 22
io.github.discover-dmc/paygentic

Pay-per-call APIs for AI agents: web scraping, DNS/email checks, classification, trading risk.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.dohyeopsong/nerd-utility-api

Agent utility API: 28+ free endpoints (hash, QR, DNS, scrape, JWT...) run by an autonomous AI agent.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.edisontaimu9-ui/chakudya-mcp-server

MCP tools for Malawian food search, clinical nutrition calculators, and RAG-backed guidance.

HealthcareCode & DevOps

Outdated checkNot measured5 / 22
io.github.ejentum/self-inspect-mcp

Send a thought, get one metathought that makes your agent inspect its own assumptions. Keyless.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
io.github.Firrton/defigent

Agent messaging inbox (A2A, EIP-712 signed), ERC-8004 directory, status and text hashing for Monad.

Developer ToolsCommunication & messaging

Outdated checkNot measured5 / 22
io.github.FoundryNet/foundrynet-inference

x402 LLM proxy + data-enriched analysis (17 sources) + TimesFM predictive IoT intelligence.

Developer ToolsAI / LLM tooling

Outdated checkNot measured5 / 22
io.github.GetHaki/haki

Long-term memory for AI agents: bitemporal fact ledger, contradiction detection, explainability.

Finance & CryptoCode & DevOps

UnreachableNot measured5 / 22
io.github.gnt-ai/gnt

Git-native policy layer for AI agents: check_action verdicts against rules approved via PR.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
io.github.Hei33enberg/strajkpolski-mcp

Verified Polish open data for AI agents: debt, budget, 460 MPs, votings, judiciary search, RAG.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
io.github.im-ff/crawlinx-mcp

Free technical-SEO audit MCP: crawl a site, run checks, return an LLM-ready shareable report.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.invertedhoologan/sovereign-engine

15 paid AI agent primitives via x402 (USDC on Base). Pay-per-call MCP server.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.loved0543-dotcom/kdata-gate

Korean market data for AI agents: K-beauty/K-food products, Naver trends, stocks, real estate.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
io.github.mahmoudilyan/marmo-ui

Live React design-system APIs, patterns, and code validation so AI agents build real UI, not slop.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
io.github.mapizarro1/foragex402

Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
io.github.Melgencer/alpacacloud-mcp

Connect AI agents to Alpaca Cloud: Postgres, Auth, Storage, Sandboxes, and Workflows.

Developer ToolsDatabase

UnreachableNot measured5 / 22
io.github.midasflowai-lab/midasflow-mcp-quickstart

Agent-native crypto market-data over MCP+REST: order flow, whales, liquidations, calibrated scores

Finance & CryptoData access / search

UnreachableNot measured5 / 22
io.github.MitchSingh/402shield

x402 payment security and pre-execution transaction risk screening for autonomous AI agents.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.mlartab/agentwebintel

Proxy-rotated web scraping and cross-platform intelligence for AI agents.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.mrpacstar2-oss/remit

Checked language for AI-written agent workflows: limits, cost and data flows known before running.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
io.github.MrWizardlyLoaf/rugcheck-ai

Solana token safety for AI agents — rug-pull, honeypot & Token-2022 trap detection before you buy.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence